<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<style type="text/css">
  .abc{
    color: blue;
  }
</style>
</head>
<body>
     <div class="abc">这里是通过异步加载进来的内容</div>
</body>
</html>